import importlib
import warnings

import pytest
from dirty_equals import IsDict, IsInt
from fastapi.testclient import TestClient
from inline_snapshot import snapshot
from sqlalchemy import StaticPool
from sqlmodel import SQLModel, create_engine
from sqlmodel.main import default_registry

from tests.utils import needs_py39, needs_py310


def clear_sqlmodel():
    # Clear the tables in the metadata for the default base model
    SQLModel.metadata.clear()
    # Clear the Models associated with the registry, to avoid warnings
    default_registry.dispose()


@pytest.fixture(
    name="client",
    params=[
        "tutorial001",
        pytest.param("tutorial001_py39", marks=needs_py39),
        pytest.param("tutorial001_py310", marks=needs_py310),
        "tutorial001_an",
        pytest.param("tutorial001_an_py39", marks=needs_py39),
        pytest.param("tutorial001_an_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):
    clear_sqlmodel()
    # TODO: remove when updating SQL tutorial to use new lifespan API
    with warnings.catch_warnings(record=True):
        warnings.simplefilter("always")
        mod = importlib.import_module(f"docs_src.sql_databases.{request.param}")
        clear_sqlmodel()
        importlib.reload(mod)
    mod.sqlite_url = "sqlite://"
    mod.engine = create_engine(
        mod.sqlite_url, connect_args={"check_same_thread": False}, poolclass=StaticPool
    )

    with TestClient(mod.app) as c:
        yield c
    # Clean up connection explicitly to avoid resource warning
    mod.engine.dispose()


def test_crud_app(client: TestClient):
    # TODO: this warns that SQLModel.from_orm is deprecated in Pydantic v1, refactor
    # this if using obj.model_validate becomes independent of Pydantic v2
    with warnings.catch_warnings(record=True):
        warnings.simplefilter("always")
        # No heroes before creating
        response = client.get("heroes/")
        assert response.status_code == 200, response.text
        assert response.json() == []

        # Create a hero
        response = client.post(
            "/heroes/",
            json={
                "id": 999,
                "name": "Dead Pond",
                "age": 30,
                "secret_name": "Dive Wilson",
            },
        )
        assert response.status_code == 200, response.text
        assert response.json() == snapshot(
            {"age": 30, "secret_name": "Dive Wilson", "id": 999, "name": "Dead Pond"}
        )

        # Read a hero
        hero_id = response.json()["id"]
        response = client.get(f"/heroes/{hero_id}")
        assert response.status_code == 200, response.text
        assert response.json() == snapshot(
            {"name": "Dead Pond", "age": 30, "id": 999, "secret_name": "Dive Wilson"}
        )

        # Read all heroes
        # Create more heroes first
        response = client.post(
            "/heroes/",
            json={"name": "Spider-Boy", "age": 18, "secret_name": "Pedro Parqueador"},
        )
        assert response.status_code == 200, response.text
        response = client.post(
            "/heroes/", json={"name": "Rusty-Man", "secret_name": "Tommy Sharp"}
        )
        assert response.status_code == 200, response.text

        response = client.get("/heroes/")
        assert response.status_code == 200, response.text
        assert response.json() == snapshot(
            [
                {
                    "name": "Dead Pond",
                    "age": 30,
                    "id": IsInt(),
                    "secret_name": "Dive Wilson",
                },
                {
                    "name": "Spider-Boy",
                    "age": 18,
                    "id": IsInt(),
                    "secret_name": "Pedro Parqueador",
                },
                {
                    "name": "Rusty-Man",
                    "age": None,
                    "id": IsInt(),
                    "secret_name": "Tommy Sharp",
                },
            ]
        )

        response = client.get("/heroes/?offset=1&limit=1")
        assert response.status_code == 200, response.text
        assert response.json() == snapshot(
            [
                {
                    "name": "Spider-Boy",
                    "age": 18,
                    "id": IsInt(),
                    "secret_name": "Pedro Parqueador",
                }
            ]
        )

        # Delete a hero
        response = client.delete(f"/heroes/{hero_id}")
        assert response.status_code == 200, response.text
        assert response.json() == snapshot({"ok": True})

        response = client.get(f"/heroes/{hero_id}")
        assert response.status_code == 404, response.text

        response = client.delete(f"/heroes/{hero_id}")
        assert response.status_code == 404, response.text
        assert response.json() == snapshot({"detail": "Hero not found"})


def test_openapi_schema(client: TestClient):
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "openapi": "3.1.0",
            "info": {"title": "FastAPI", "version": "0.1.0"},
            "paths": {
                "/heroes/": {
                    "post": {
                        "summary": "Create Hero",
                        "operationId": "create_hero_heroes__post",
                        "requestBody": {
                            "required": True,
                            "content": {
                                "application/json": {
                                    "schema": {"$ref": "#/components/schemas/Hero"}
                                }
                            },
                        },
                        "responses": {
                            "200": {
                                "description": "Successful Response",
                                "content": {
                                    "application/json": {
                                        "schema": {"$ref": "#/components/schemas/Hero"}
                                    }
                                },
                            },
                            "422": {
                                "description": "Validation Error",
                                "content": {
                                    "application/json": {
                                        "schema": {
                                            "$ref": "#/components/schemas/HTTPValidationError"
                                        }
                                    }
                                },
                            },
                        },
                    },
                    "get": {
                        "summary": "Read Heroes",
                        "operationId": "read_heroes_heroes__get",
                        "parameters": [
                            {
                                "name": "offset",
                                "in": "query",
                                "required": False,
                                "schema": {
                                    "type": "integer",
                                    "default": 0,
                                    "title": "Offset",
                                },
                            },
                            {
                                "name": "limit",
                                "in": "query",
                                "required": False,
                                "schema": {
                                    "type": "integer",
                                    "maximum": 100,
                                    "default": 100,
                                    "title": "Limit",
                                },
                            },
                        ],
                        "responses": {
                            "200": {
                                "description": "Successful Response",
                                "content": {
                                    "application/json": {
                                        "schema": {
                                            "type": "array",
                                            "items": {
                                                "$ref": "#/components/schemas/Hero"
                                            },
                                            "title": "Response Read Heroes Heroes  Get",
                                        }
                                    }
                                },
                            },
                            "422": {
                                "description": "Validation Error",
                                "content": {
                                    "application/json": {
                                        "schema": {
                                            "$ref": "#/components/schemas/HTTPValidationError"
                                        }
                                    }
                                },
                            },
                        },
                    },
                },
                "/heroes/{hero_id}": {
                    "get": {
                        "summary": "Read Hero",
                        "operationId": "read_hero_heroes__hero_id__get",
                        "parameters": [
                            {
                                "name": "hero_id",
                                "in": "path",
                                "required": True,
                                "schema": {"type": "integer", "title": "Hero Id"},
                            }
                        ],
                        "responses": {
                            "200": {
                                "description": "Successful Response",
                                "content": {
                                    "application/json": {
                                        "schema": {"$ref": "#/components/schemas/Hero"}
                                    }
                                },
                            },
                            "422": {
                                "description": "Validation Error",
                                "content": {
                                    "application/json": {
                                        "schema": {
                                            "$ref": "#/components/schemas/HTTPValidationError"
                                        }
                                    }
                                },
                            },
                        },
                    },
                    "delete": {
                        "summary": "Delete Hero",
                        "operationId": "delete_hero_heroes__hero_id__delete",
                        "parameters": [
                            {
                                "name": "hero_id",
                                "in": "path",
                                "required": True,
                                "schema": {"type": "integer", "title": "Hero Id"},
                            }
                        ],
                        "responses": {
                            "200": {
                                "description": "Successful Response",
                                "content": {"application/json": {"schema": {}}},
                            },
                            "422": {
                                "description": "Validation Error",
                                "content": {
                                    "application/json": {
                                        "schema": {
                                            "$ref": "#/components/schemas/HTTPValidationError"
                                        }
                                    }
                                },
                            },
                        },
                    },
                },
            },
            "components": {
                "schemas": {
                    "HTTPValidationError": {
                        "properties": {
                            "detail": {
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"
                                },
                                "type": "array",
                                "title": "Detail",
                            }
                        },
                        "type": "object",
                        "title": "HTTPValidationError",
                    },
                    "Hero": {
                        "properties": {
                            "id": IsDict(
                                {
                                    "anyOf": [{"type": "integer"}, {"type": "null"}],
                                    "title": "Id",
                                }
                            )
                            | IsDict(
                                # TODO: remove when deprecating Pydantic v1
                                {
                                    "type": "integer",
                                    "title": "Id",
                                }
                            ),
                            "name": {"type": "string", "title": "Name"},
                            "age": IsDict(
                                {
                                    "anyOf": [{"type": "integer"}, {"type": "null"}],
                                    "title": "Age",
                                }
                            )
                            | IsDict(
                                # TODO: remove when deprecating Pydantic v1
                                {
                                    "type": "integer",
                                    "title": "Age",
                                }
                            ),
                            "secret_name": {"type": "string", "title": "Secret Name"},
                        },
                        "type": "object",
                        "required": ["name", "secret_name"],
                        "title": "Hero",
                    },
                    "ValidationError": {
                        "properties": {
                            "loc": {
                                "items": {
                                    "anyOf": [{"type": "string"}, {"type": "integer"}]
                                },
                                "type": "array",
                                "title": "Location",
                            },
                            "msg": {"type": "string", "title": "Message"},
                            "type": {"type": "string", "title": "Error Type"},
                        },
                        "type": "object",
                        "required": ["loc", "msg", "type"],
                        "title": "ValidationError",
                    },
                }
            },
        }
    )
